2. 外语
  3. Many of the unusual behaviors attributed to crows—such as drinking coffee or presenting gifts to people who feed them—are based

Many of the unusual behaviors attributed to crows—such as drinking coffee or presenting gifts to people who feed them—are based

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问题 Many of the unusual behaviors attributed to crows—such as drinking coffee or presenting gifts to people who feed them—are based on (i)________and therefore fall into the category of (ii)________ rather than science.
Blank (i)                 Blank (ii)
A. long-term observation  D. anecdote
B. controlled experiments E. speculation
C. secondhand testimony   F. hypothesis
选项
答案C,D
解析 题目说，许多关于乌鸦的不寻常行为的描述是基于(i)________的，因此属于(ii)________的范畴而非科学。注意空格(i)和空格(ii)所在的句子为因果关系，因此空格(ii)与空格(i)同义对应。同时，空格(ii)后面有rather than，因此空格(ii)与rather than后面的science反义对应。综上，空格(i)和空格(ii)同义对应，并且都与science反义对应。先做空格(i)，A项1ong—term observations(长时期观察)和B项controlled experiments(控制变量试验)都属于科学的研究方法，与科学同义对应。不选；因此，只能选C项secondhand testimony (道听途说)。空格(ii)与空格(i)同义对应，即与secondhand testimony同义对应，因此选D项anecdote(趣闻轶事)。
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